package com.chat.dao;
import java.util.List;

import org.springframework.stereotype.Repository;

import com.chat.vo.YzbChatMsg;
@Repository
public interface YzbChatMsgMapper {

	int insertChatRecord(YzbChatMsg yzbChatMsg);     //插入一条消息记录
	
    List<YzbChatMsg> selectByPrimaryKey(YzbChatMsg yzbChatMsg);//查找历史记录(一段时间)
}